craftguide = {} -- Caches local pdata = {} local init_items = {} local searches = {} local recipes_cache = {} local usages_cache = {} local fuel_cache = {} local toolrepair local progressive_mode = core.settings:get_bool "craftguide_progressive_mode" local sfinv_only = core.settings:get_bool "craftguide_sfinv_only" and rawget(_G, "sfinv") local autocache = core.settings:get_bool "craftguide_autocache" local http = core.request_http_api() local storage = core.get_mod_storage() local singleplayer = core.is_singleplayer() local reg_items = core.registered_items local reg_tools = core.registered_tools local reg_aliases = core.registered_aliases local log = core.log local after = core.after local clr = core.colorize local parse_json = core.parse_json local write_json = core.write_json local chat_send = core.chat_send_player local show_formspec = core.show_formspec local globalstep = core.register_globalstep local on_shutdown = core.register_on_shutdown local get_players = core.get_connected_players local get_craft_result = core.get_craft_result local on_joinplayer = core.register_on_joinplayer local get_all_recipes = core.get_all_craft_recipes local register_command = core.register_chatcommand local get_player_by_name = core.get_player_by_name local slz, dslz = core.serialize, core.deserialize local on_mods_loaded = core.register_on_mods_loaded local on_leaveplayer = core.register_on_leaveplayer local get_player_info = core.get_player_information local on_receive_fields = core.register_on_player_receive_fields local ESC = core.formspec_escape local S = core.get_translator "craftguide" local ES = function(...) return ESC(S(...)) end local maxn, sort, concat, copy, insert, remove = table.maxn, table.sort, table.concat, table.copy, table.insert, table.remove local fmt, find, gmatch, match, sub, split, upper, lower = string.format, string.find, string.gmatch, string.match, string.sub, string.split, string.upper, string.lower local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil local pairs, next, type, tostring, unpack = pairs, next, type, tostring, unpack local vec_add, vec_mul = vector.add, vector.multiply local FORMSPEC_MINIMAL_VERSION = 3 local ROWS = 9 local LINES = sfinv_only and 5 or 10 local IPP = ROWS * LINES local WH_LIMIT = 5 local MAX_FAVS = 6 local ITEM_BTN_SIZE = 1.1 local XOFFSET = sfinv_only and 3.83 or 11.2 local YOFFSET = sfinv_only and 4.9 or 1 local PNG = { bg = "craftguide_bg.png", bg_full = "craftguide_bg_full.png", search = "craftguide_search_icon.png", clear = "craftguide_clear_icon.png", prev = "craftguide_next_icon.png^\\[transformFX", next = "craftguide_next_icon.png", arrow = "craftguide_arrow.png", fire = "craftguide_fire.png", fire_anim = "craftguide_fire_anim.png", book = "craftguide_book.png", sign = "craftguide_sign.png", nothing = "craftguide_no.png", selected = "craftguide_selected.png", furnace_anim = "craftguide_furnace_anim.png", search_hover = "craftguide_search_icon_hover.png", clear_hover = "craftguide_clear_icon_hover.png", prev_hover = "craftguide_next_icon_hover.png^\\[transformFX", next_hover = "craftguide_next_icon_hover.png", } local FMT = { box = "box[%f,%f;%f,%f;%s]", label = "label[%f,%f;%s]", image = "image[%f,%f;%f,%f;%s]", button = "button[%f,%f;%f,%f;%s;%s]", tooltip = "tooltip[%f,%f;%f,%f;%s]", item_image = "item_image[%f,%f;%f,%f;%s]", image_button = "image_button[%f,%f;%f,%f;%s;%s;%s]", animated_image = "animated_image[%f,%f;%f,%f;;%s;%u;%u]", item_image_button = "item_image_button[%f,%f;%f,%f;%s;%s;%s]", arrow = "image_button[%f,%f;0.8,0.8;%s;%s;;;false;%s]", } local function get_fs_version(name) local info = get_player_info(name) return info and info.formspec_version or 1 end local function outdated(name) local fs = fmt([[ size[6.6,1.3] image[0,0;1,1;%s] label[1,0;%s] button_exit[2.8,0.8;1,1;;OK] ]], PNG.book, "Your Minetest client is outdated.\n" .. "Get the latest version on minetest.net to use the Crafting Guide.") return show_formspec(name, "craftguide", fs) end local function mul_elem(elem, n) local fstr, elems = "", {} for i = 1, n do fstr = fstr .. "%s" elems[i] = elem end return fmt(fstr, unpack(elems)) end craftguide.group_stereotypes = { dye = "dye:white", wool = "wool:white", wood = "default:wood", tree = "default:tree", coal = "default:coal_lump", vessel = "vessels:glass_bottle", flower = "flowers:dandelion_yellow", water_bucket = "bucket:bucket_water", mesecon_conductor_craftable = "mesecons:wire_00000000_off", } local group_names = { coal = S"Any coal", wool = S"Any wool", wood = S"Any wood planks", sand = S"Any sand", stick = S"Any stick", stone = S"Any kind of stone block", tree = S"Any tree", vessel = S"Any vessel", ["color_red,flower"] = S"Any red flower", ["color_blue,flower"] = S"Any blue flower", ["color_black,flower"] = S"Any black flower", ["color_white,flower"] = S"Any white flower", ["color_green,flower"] = S"Any green flower", ["color_orange,flower"] = S"Any orange flower", ["color_yellow,flower"] = S"Any yellow flower", ["color_violet,flower"] = S"Any violet flower", ["color_red,dye"] = S"Any red dye", ["color_blue,dye"] = S"Any blue dye", ["color_grey,dye"] = S"Any grey dye", ["color_pink,dye"] = S"Any pink dye", ["color_cyan,dye"] = S"Any cyan dye", ["color_black,dye"] = S"Any black dye", ["color_white,dye"] = S"Any white dye", ["color_brown,dye"] = S"Any brown dye", ["color_green,dye"] = S"Any green dye", ["color_orange,dye"] = S"Any orange dye", ["color_yellow,dye"] = S"Any yellow dye", ["color_violet,dye"] = S"Any violet dye", ["color_magenta,dye"] = S"Any magenta dye", ["color_dark_grey,dye"] = S"Any dark grey dye", ["color_dark_green,dye"] = S"Any dark green dye", } local function err(str) return log("error", str) end local function msg(name, str) return chat_send(name, fmt("[craftguide] %s", str)) end local function is_str(x) return type(x) == "string" end local function true_str(str) return is_str(str) and str ~= "" end local function is_table(x) return type(x) == "table" end local function is_func(x) return type(x) == "function" end local function is_group(item) return sub(item, 1, 6) == "group:" end local function clean_name(item) if sub(item, 1, 1) == ":" then item = sub(item, 2) end return item end local function array_diff(t1, t2) local hash = {} for i = 1, #t1 do local v = t1[i] hash[v] = true end for i = 1, #t2 do local v = t2[i] hash[v] = nil end local diff, c = {}, 0 for i = 1, #t1 do local v = t1[i] if hash[v] then c = c + 1 diff[c] = v end end return diff end local function table_eq(T1, T2) local avoid_loops = {} local function recurse(t1, t2) if type(t1) ~= type(t2) then return end if not is_table(t1) then return t1 == t2 end if avoid_loops[t1] then return avoid_loops[t1] == t2 end avoid_loops[t1] = t2 local t2k, t2kv = {}, {} for k in pairs(t2) do if is_table(k) then insert(t2kv, k) end t2k[k] = true end for k1, v1 in pairs(t1) do local v2 = t2[k1] if type(k1) == "table" then local ok for i = 1, #t2kv do local tk = t2kv[i] if table_eq(k1, tk) and recurse(v1, t2[tk]) then remove(t2kv, i) t2k[tk] = nil ok = true break end end if not ok then return end else if v2 == nil then return end t2k[k1] = nil if not recurse(v1, v2) then return end end end if next(t2k) then return end return true end return recurse(T1, T2) end local function table_merge(t1, t2, hash) t1 = t1 or {} t2 = t2 or {} if hash then for k, v in pairs(t2) do t1[k] = v end else local c = #t1 for i = 1, #t2 do c = c + 1 t1[c] = t2[i] end end return t1 end local function table_replace(t, val, new) for k, v in pairs(t) do if v == val then t[k] = new end end end local craft_types = {} function craftguide.register_craft_type(name, def) if not true_str(name) then return err "craftguide.register_craft_type(): name missing" end if not is_str(def.description) then def.description = "" end if not is_str(def.icon) then def.icon = "" end craft_types[name] = def end function craftguide.register_craft(def) local width, c = 0, 0 if true_str(def.url) then if not http then return err(fmt([[craftguide.register_craft(): Unable to reach %s. No HTTP support for this mod: add it to the `secure.http_mods` or `secure.trusted_mods` setting.]], def.url)) end http.fetch({url = def.url}, function(result) if result.succeeded then local t = parse_json(result.data) if is_table(t) then return craftguide.register_craft(t) end end end) return end if not is_table(def) or not next(def) then return err "craftguide.register_craft(): craft definition missing" end if #def > 1 then for _, v in pairs(def) do craftguide.register_craft(v) end return end if def.result then def.output = def.result -- Backward compatibility def.result = nil end if not true_str(def.output) then return err "craftguide.register_craft(): output missing" end if not is_table(def.items) then def.items = {} end if def.grid then if not is_table(def.grid) then def.grid = {} end if not is_table(def.key) then def.key = {} end local cp = copy(def.grid) sort(cp, function(a, b) return #a > #b end) width = #cp[1] for i = 1, #def.grid do while #def.grid[i] < width do def.grid[i] = def.grid[i] .. " " end end for symbol in gmatch(concat(def.grid), ".") do c = c + 1 def.items[c] = def.key[symbol] end else local items, len = def.items, #def.items def.items = {} for i = 1, len do items[i] = items[i]:gsub(",", ", ") local rlen = #split(items[i], ",") if rlen > width then width = rlen end end for i = 1, len do while #split(items[i], ",") < width do items[i] = items[i] .. ", " end end for name in gmatch(concat(items, ","), "[%s%w_:]+") do c = c + 1 def.items[c] = match(name, "%S+") end end local output = match(def.output, "%S+") recipes_cache[output] = recipes_cache[output] or {} def.custom = true def.width = width insert(recipes_cache[output], def) end local recipe_filters = {} function craftguide.add_recipe_filter(name, f) if not true_str(name) then return err "craftguide.add_recipe_filter(): name missing" elseif not is_func(f) then return err "craftguide.add_recipe_filter(): function missing" end recipe_filters[name] = f end function craftguide.set_recipe_filter(name, f) if not is_str(name) then return err "craftguide.set_recipe_filter(): name missing" elseif not is_func(f) then return err "craftguide.set_recipe_filter(): function missing" end recipe_filters = {[name] = f} end function craftguide.remove_recipe_filter(name) recipe_filters[name] = nil end function craftguide.get_recipe_filters() return recipe_filters end local function apply_recipe_filters(recipes, player) for _, filter in pairs(recipe_filters) do recipes = filter(recipes, player) end return recipes end local search_filters = {} function craftguide.add_search_filter(name, f) if not true_str(name) then return err "craftguide.add_search_filter(): name missing" elseif not is_func(f) then return err "craftguide.add_search_filter(): function missing" end search_filters[name] = f end function craftguide.remove_search_filter(name) search_filters[name] = nil end function craftguide.get_search_filters() return search_filters end local function item_has_groups(item_groups, groups) for i = 1, #groups do local group = groups[i] if (item_groups[group] or 0) == 0 then return end end return true end local function extract_groups(str) return split(sub(str, 7), ",") end local function item_in_recipe(item, recipe) local clean_item = reg_aliases[item] or item for _, recipe_item in pairs(recipe.items) do local clean_recipe_item = reg_aliases[recipe_item] or recipe_item if clean_recipe_item == clean_item then return true end end end local function groups_item_in_recipe(item, recipe) local def = reg_items[item] if not def then return end local item_groups = def.groups for _, recipe_item in pairs(recipe.items) do if is_group(recipe_item) then local groups = extract_groups(recipe_item) if item_has_groups(item_groups, groups) then local usage = copy(recipe) table_replace(usage.items, recipe_item, item) return usage end end end end local function get_filtered_items(player, data) local items, known, c = {}, 0, 0 for i = 1, #init_items do local item = init_items[i] local recipes = recipes_cache[item] local usages = usages_cache[item] recipes = #apply_recipe_filters(recipes or {}, player) usages = #apply_recipe_filters(usages or {}, player) if recipes > 0 or usages > 0 then c = c + 1 items[c] = item if data then known = known + recipes + usages end end end if data then data.known_recipes = known end return items end local function get_usages(item) local usages, c = {}, 0 for _, recipes in pairs(recipes_cache) do for i = 1, #recipes do local recipe = recipes[i] if item_in_recipe(item, recipe) then c = c + 1 usages[c] = recipe else recipe = groups_item_in_recipe(item, recipe) if recipe then c = c + 1 usages[c] = recipe end end end end if fuel_cache[item] then usages[#usages + 1] = { type = "fuel", items = {item}, replacements = fuel_cache.replacements[item], } end return usages end local function get_burntime(item) return get_craft_result{method = "fuel", items = {item}}.time end local function cache_fuel(item) local burntime = get_burntime(item) if burntime > 0 then fuel_cache[item] = burntime end end local function cache_usages(item) local usages = get_usages(item) if #usages > 0 then usages_cache[item] = table_merge(usages, usages_cache[item] or {}) end end local function cache_recipes(output) local recipes = get_all_recipes(output) or {} if #recipes > 0 then recipes_cache[output] = recipes end end local function get_recipes(item, data, player) local clean_item = reg_aliases[item] or item local recipes = recipes_cache[clean_item] local usages = usages_cache[clean_item] if recipes then recipes = apply_recipe_filters(recipes, player) end local no_recipes = not recipes or #recipes == 0 if no_recipes and not usages then return elseif sfinv_only then if usages and no_recipes then data.show_usages = true elseif recipes and not usages then data.show_usages = nil end end if not sfinv_only or (sfinv_only and data.show_usages) then usages = apply_recipe_filters(usages, player) end local no_usages = not usages or #usages == 0 return not no_recipes and recipes or nil, not no_usages and usages or nil end local function groups_to_items(groups, get_all) if not get_all and #groups == 1 then local group = groups[1] local def_gr = "default:" .. group local stereotypes = craftguide.group_stereotypes local stereotype = stereotypes and stereotypes[group] if stereotype then return stereotype elseif reg_items[def_gr] then return def_gr end end local names = {} for name, def in pairs(reg_items) do if item_has_groups(def.groups, groups) then if get_all then names[#names + 1] = name else return name end end end return get_all and names or "" end local function repairable(tool) local def = reg_tools[tool] return toolrepair and def and def.groups and def.groups.disable_repair ~= 1 end local function is_fav(data) local fav, i for j = 1, #data.favs do if data.favs[j] == data.query_item then fav = true i = j break end end return fav, i end local function check_newline(def) return def and def.description and find(def.description, "\n") end local function get_desc(name) if sub(name, 1, 1) == "_" then name = sub(name, 2) end local def = reg_items[name] return def and (match(def.description, "%)([%w%s]*)") or def.description) or (def and match(name, ":.*"):gsub("%W%l", upper):sub(2):gsub("_", " ") or S("Unknown Item (@1)", name)) end local function get_tooltip(name, info) local tooltip if info.groups then sort(info.groups) tooltip = group_names[concat(info.groups, ",")] if not tooltip then local groupstr, c = {}, 0 for i = 1, #info.groups do c = c + 1 groupstr[c] = clr("#ff0", info.groups[i]) end groupstr = concat(groupstr, ", ") tooltip = S("Any item belonging to the group(s): @1", groupstr) end else tooltip = get_desc(name) end local function add(str) return fmt("%s\n%s", tooltip, str) end if info.cooktime then tooltip = add(S("Cooking time: @1", clr("#ff0", info.cooktime))) end if info.burntime then tooltip = add(S("Burning time: @1", clr("#ff0", info.burntime))) end if info.replace then local desc = clr("#ff0", get_desc(info.replace)) if info.cooktime then tooltip = add(S("Replaced by @1 on smelting", desc)) elseif info.burntime then tooltip = add(S("Replaced by @1 on burning", desc)) else tooltip = add(S("Replaced by @1 on crafting", desc)) end end if info.repair then tooltip = add(S("Repairable by step of @1", clr("#ff0", toolrepair .. "%"))) end if info.rarity then local chance = (1 / max(1, info.rarity)) * 100 tooltip = add(S("@1 of chance to drop", clr("#ff0", chance .. "%"))) end if info.tools then local several = #info.tools > 1 local names = several and "\n" or "" if several then for i = 1, #info.tools do names = fmt("%s\t\t- %s\n", names, clr("#ff0", get_desc(info.tools[i]))) end tooltip = add(S("Only drop if using one of these tools: @1", sub(names, 1, -2))) else tooltip = add(S("Only drop if using this tool: @1", clr("#ff0", get_desc(info.tools[1])))) end end return fmt("tooltip[%s;%s]", name, ESC(tooltip)) end local function get_output_fs(data, fs, rcp, shapeless, right, btn_size, _btn_size, spacing) local custom_recipe = craft_types[rcp.type] if custom_recipe or shapeless or rcp.type == "cooking" then local icon = custom_recipe and custom_recipe.icon or shapeless and "shapeless" or "furnace" if not custom_recipe then icon = fmt("craftguide_%s.png^[resize:16x16", icon) end local pos_x = right + btn_size + 0.1 local pos_y = YOFFSET + (sfinv_only and 1.55 or -0.45) + spacing if sub(icon, 1, 18) == "craftguide_furnace" then fs[#fs + 1] = fmt(FMT.animated_image, pos_x, pos_y, 0.5, 0.5, PNG.furnace_anim, 8, 180) else fs[#fs + 1] = fmt(FMT.image, pos_x, pos_y, 0.5, 0.5, icon) end local tooltip = custom_recipe and custom_recipe.description or shapeless and S"Shapeless" or S"Cooking" fs[#fs + 1] = fmt(FMT.tooltip, pos_x, pos_y, 0.5, 0.5, ESC(tooltip)) end local arrow_X = right + (_btn_size or ITEM_BTN_SIZE) local output_X = arrow_X + 0.9 local Y = YOFFSET + (sfinv_only and 2 or 0) + spacing fs[#fs + 1] = fmt(FMT.image, arrow_X, Y + 0.2, 0.9, 0.7, PNG.arrow) if rcp.type == "fuel" then fs[#fs + 1] = fmt(FMT.animated_image, output_X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.fire_anim, 8, 180) else local item = rcp.output item = clean_name(item) local name = match(item, "%S*") fs[#fs + 1] = fmt(FMT.image, output_X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.selected) local _name = sfinv_only and name or fmt("_%s", name) fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s;%s]", output_X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, item, _name, "") local def = reg_items[name] local infos = { unknown = not def or nil, burntime = fuel_cache[name], repair = repairable(name), rarity = rcp.rarity, tools = rcp.tools, newline = check_newline(def), } if next(infos) then fs[#fs + 1] = get_tooltip(_name, infos) end if infos.burntime then fs[#fs + 1] = fmt(FMT.image, output_X + 1, YOFFSET + (sfinv_only and 2 or 0.1) + spacing, 0.6, 0.4, PNG.arrow) fs[#fs + 1] = fmt(FMT.animated_image, output_X + 1.6, YOFFSET + (sfinv_only and 1.85 or 0) + spacing, 0.6, 0.6, PNG.fire_anim, 8, 180) end end end local function get_grid_fs(data, fs, rcp, spacing) local width = rcp.width or 1 local right, btn_size, _btn_size = 0, ITEM_BTN_SIZE local cooktime, shapeless if rcp.type == "cooking" then cooktime, width = width, 1 elseif width == 0 and not rcp.custom then shapeless = true local n = #rcp.items width = (n < 5 and n > 1) and 2 or min(3, max(1, n)) end local rows = ceil(maxn(rcp.items) / width) if width > WH_LIMIT or rows > WH_LIMIT then fs[#fs + 1] = fmt(FMT.label, XOFFSET + (sfinv_only and -1.5 or -1.6), YOFFSET + (sfinv_only and 0.5 or spacing), ES("Recipe's too big to be displayed (@1x@2)", width, rows)) return concat(fs) end local large_recipe = width > 3 or rows > 3 if large_recipe then fs[#fs + 1] = "style_type[item_image_button;border=true]" end for i = 1, width * rows do local item = rcp.items[i] or "" item = clean_name(item) local name = match(item, "%S*") local X = ceil((i - 1) % width - width) + XOFFSET local Y = ceil(i / width) + YOFFSET - min(2, rows) + spacing if large_recipe then btn_size = width > 3 and 3 / width or 3 / rows _btn_size = btn_size X = btn_size * ((i - 1) % width) + XOFFSET - 2.65 Y = btn_size * floor((i - 1) / width) + spacing + (sfinv and 4 or 0) end if X > right then right = X end local groups if is_group(name) then groups = extract_groups(name) item = groups_to_items(groups) end local label = groups and "\nG" or "" local replace if rcp.replacements then for j = 1, #rcp.replacements do local replacement = rcp.replacements[j] if replacement[1] == name then label = (label ~= "" and "\n" or "") .. label .. "\nR" replace = replacement[2] end end end Y = Y + (sfinv_only and 2 or 0) if not large_recipe then fs[#fs + 1] = fmt(FMT.image, X, Y, btn_size, btn_size, PNG.selected) end fs[#fs + 1] = fmt(FMT.item_image_button, X, Y, btn_size, btn_size, item, item, label) local def = reg_items[name] local infos = { unknown = not def or nil, groups = groups, burntime = fuel_cache[name], cooktime = cooktime, replace = replace, newline = check_newline(def), } if next(infos) then fs[#fs + 1] = get_tooltip(item, infos) end end if large_recipe then fs[#fs + 1] = "style_type[item_image_button;border=false]" end get_output_fs(data, fs, rcp, shapeless, right, btn_size, _btn_size, spacing) end local function get_rcp_lbl(data, fs, panel, spacing, rn, is_recipe) local lbl if (not sfinv_only and is_recipe) or (sfinv_only and not data.show_usages) then lbl = ES("Recipe @1 of @2", data.rnum, rn) elseif not sfinv_only or (sfinv_only and data.show_usages) then lbl = ES("Usage @1 of @2", data.unum, rn) elseif sfinv_only then lbl = data.show_usages and ES("Usage @1 of @2", data.unum, rn) or ES("Recipe @1 of @2", data.rnum, rn) end local _rn = tostring(rn) local xu = tostring(data.unum) .. _rn local xr = tostring(data.rnum) .. _rn xu = max(-0.3, -((#xu - 3) * 0.05)) xr = max(-0.3, -((#xr - 3) * 0.05)) fs[#fs + 1] = fmt(FMT.label, XOFFSET + (sfinv_only and 2.3 or 1.6) + (is_recipe and xr or xu), YOFFSET + (sfinv_only and 3.4 or 1.5 + spacing), lbl) if rn > 1 then local btn_suffix = is_recipe and "recipe" or "usage" local prev_name = fmt("prev_%s", btn_suffix) local next_name = fmt("next_%s", btn_suffix) local x_arrow = XOFFSET + (sfinv_only and 1.7 or 1) local y_arrow = YOFFSET + (sfinv_only and 3.3 or 1.4 + spacing) fs[#fs + 1] = fmt([[ style[%s;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s] style[%s;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s] ]], prev_name, PNG.prev, PNG.prev_hover, PNG.prev_hover, next_name, PNG.next, PNG.next_hover, PNG.next_hover) fs[#fs + 1] = fmt(mul_elem(FMT.arrow, 2), x_arrow + (is_recipe and xr or xu), y_arrow, PNG.prev, prev_name, "", x_arrow + 1.8, y_arrow, PNG.next, next_name, "") end local rcp = is_recipe and panel.rcp[data.rnum] or panel.rcp[data.unum] get_grid_fs(data, fs, rcp, spacing) end local function get_title_fs(data, fs, spacing) local desc = ESC(get_desc(data.query_item)) desc = #desc > 33 and fmt("%s...", sub(desc, 1, 30)) or desc local t_desc = data.query_item t_desc = #t_desc > 40 and fmt("%s...", sub(t_desc, 1, 37)) or t_desc fs[#fs + 1] = fmt("hypertext[9.05,%f;5.85,1.2;item_title;%s]", spacing - 0.1, fmt("" .. "%s\n", data.query_item, desc, t_desc)) local fav = is_fav(data) local nfavs = #data.favs if nfavs < MAX_FAVS or (nfavs == MAX_FAVS and fav) then local fav_marked = fmt("craftguide_fav%s.png", fav and "_off" or "") fs[#fs + 1] = fmt( "style[fav;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]", fmt("craftguide_fav%s.png", fav and "" or "_off"), fav_marked, fav_marked) fs[#fs + 1] = fmt(FMT.image_button, 8.25, spacing + 0.15, 0.5, 0.45, "", "fav", "") fs[#fs + 1] = fmt("tooltip[fav;%s]", fav and ES"Unmark this item" or ES"Mark this item") else fs[#fs + 1] = fmt( "style[fav_no;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]", "craftguide_fav_off.png", PNG.nothing, PNG.nothing) fs[#fs + 1] = fmt(FMT.image_button, 8.25, spacing + 0.15, 0.5, 0.45, "", "fav_no", "") fs[#fs + 1] = fmt("tooltip[fav_no;%s]", ES"Cannot mark this item. Limit of bookmarks reached.") end end local function get_panels(data, fs) local title = {name = "title", height = 1.2} local favs = {name = "favs", height = 1.91} local recipes = {name = "recipes", rcp = data.recipes, height = 3.5} local usages = {name = "usages", rcp = data.usages, height = 3.5} local panels = {title, recipes, usages, favs} if sfinv_only then panels = {data.show_usages and usages or recipes} end for idx = 1, #panels do local panel, spacing = panels[idx], 0 if idx > 1 then for _idx = idx - 1, 1, -1 do spacing = spacing + panels[_idx].height + 0.1 end end local rn = panel.rcp and #panel.rcp local is_recipe = sfinv_only and not data.show_usages or panel.name == "recipes" local recipe_or_usage = panel.name == "recipes" or panel.name == "usages" if rn then get_rcp_lbl(data, fs, panel, spacing, rn, is_recipe) end if sfinv_only then return end fs[#fs + 1] = fmt("background9[8.1,%f;6.6,%f;%s;false;%d]", -0.2 + spacing, panel.height, PNG.bg_full, 10) if recipe_or_usage and not rn then local X = XOFFSET - 0.7 local Y = YOFFSET - 0.4 + spacing fs[#fs + 1] = fmt(FMT.image, X, Y, 2, 2, PNG.nothing) fs[#fs + 1] = fmt(FMT.tooltip, X, Y, 2, 2, is_recipe and ES"No recipes" or ES"No usages") elseif panel.name == "title" then get_title_fs(data, fs, spacing) elseif panel.name == "favs" then fs[#fs + 1] = fmt(FMT.label, 8.3, spacing - 0.15, ES"Bookmarks") for i = 1, #data.favs do local item = data.favs[i] local X = 7.85 + (i - 0.5) local Y = spacing + 0.4 if data.query_item == item then fs[#fs + 1] = fmt(FMT.image, X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.selected) end fs[#fs + 1] = fmt(FMT.item_image_button, X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, item, item, "") end end end end local function make_fs(data) local fs = {} fs[#fs + 1] = fmt([[ size[%f,%f] no_prepend[] bgcolor[#0000] ]], 9 + (data.query_item and 6.7 or 0) - 1.2, LINES - 0.3) if not sfinv_only then fs[#fs + 1] = fmt("background9[-0.15,-0.2;%f,%f;%s;false;%d]", 9 - 0.9, LINES + 0.4, PNG.bg_full, 10) end fs[#fs + 1] = fmt([[ style[filter;border=false] field[0.4,0.2;2.6,1;filter;;%s] field_close_on_enter[filter;false] box[0,0;2.5,0.6;#bababa25] ]], ESC(data.filter)) fs[#fs + 1] = fmt([[ style_type[image_button;border=false] style_type[item_image_button;border=false;bgimg_hovered=%s;bgimg_pressed=%s] style[search;fgimg=%s;fgimg_hovered=%s] style[clear;fgimg=%s;fgimg_hovered=%s] style[prev_page;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s] style[next_page;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s] style[pagenum;border=false] ]], PNG.selected, PNG.selected, PNG.search, PNG.search_hover, PNG.clear, PNG.clear_hover, PNG.prev, PNG.prev_hover, PNG.prev_hover, PNG.next, PNG.next_hover, PNG.next_hover) fs[#fs + 1] = fmt(mul_elem(FMT.image_button, 2), 2.6, -0.06, 0.85, 0.85, "", "search", "", 3.3, -0.06, 0.85, 0.85, "", "clear", "") if sfinv_only then fs[#fs + 1] = "container[0.2,0]" end fs[#fs + 1] = fmt(mul_elem(FMT.image_button, 2), 5.35, -0.06, 0.85, 0.85, "", "prev_page", "", 7.1, -0.06, 0.85, 0.85, "", "next_page", "") data.pagemax = max(1, ceil(#data.items / IPP)) fs[#fs + 1] = fmt(FMT.button, 5.97, -0.06, 1.36, 0.85, "pagenum", fmt("%s / %u", clr("#ff0", data.pagenum), data.pagemax)) if sfinv_only then fs[#fs + 1] = "container_end[]" end if #data.items == 0 then local no_item = ES"No item to show" local pos = 3 if next(recipe_filters) and #init_items > 0 and data.filter == "" then no_item = ES"Collect items to reveal more recipes" pos = pos - 1 end fs[#fs + 1] = fmt(FMT.label, pos, 2, no_item) end local first_item = (data.pagenum - 1) * IPP for i = first_item, first_item + IPP - 1 do local item = data.items[i + 1] if not item then break end local X = i % ROWS local Y = (i % IPP - X) / ROWS + 1 X = X - (X * (sfinv_only and 0.12 or 0.14)) - 0.05 Y = Y - (Y * 0.1) - 0.1 if data.query_item == item then fs[#fs + 1] = fmt(FMT.image, X, Y, 1, 1, PNG.selected) end fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s_inv;]", X, Y, 1, 1, item, item) end if (data.recipes and #data.recipes > 0) or (data.usages and #data.usages > 0) then get_panels(data, fs) end return concat(fs) end local show_fs = function(player, name) local data = pdata[name] if sfinv_only then sfinv.set_player_inventory_formspec(player) else show_formspec(name, "craftguide", make_fs(data)) end end craftguide.register_craft_type("digging", { description = ES"Digging", icon = "craftguide_steelpick.png", }) craftguide.register_craft_type("digging_chance", { description = ES"Digging (by chance)", icon = "craftguide_mesepick.png", }) local function search(data) local filter = data.filter if searches[filter] then data.items = searches[filter] return end local opt = "^(.-)%+([%w_]+)=([%w_,]+)" local search_filter = next(search_filters) and match(filter, opt) local filters = {} if search_filter then for filter_name, values in gmatch(filter, sub(opt, 6)) do if search_filters[filter_name] then values = split(values, ",") filters[filter_name] = values end end end local filtered_list, c = {}, 0 for i = 1, #data.items_raw do local item = data.items_raw[i] local def = reg_items[item] local desc = (def and def.description) and lower(def.description) or "" local search_in = fmt("%s %s", item, desc) local to_add if search_filter then for filter_name, values in pairs(filters) do if values then local func = search_filters[filter_name] to_add = func(item, values) and (search_filter == "" or find(search_in, search_filter, 1, true)) end end else to_add = find(search_in, filter, 1, true) end if to_add then c = c + 1 filtered_list[c] = item end end if not next(recipe_filters) then -- Cache the results only if searched 2 times if searches[filter] == nil then searches[filter] = false else searches[filter] = filtered_list end end data.items = filtered_list end craftguide.add_search_filter("groups", function(item, groups) local def = reg_items[item] local has_groups = true for i = 1, #groups do local group = groups[i] if not def.groups[group] then has_groups = nil break end end return has_groups end) --[[ As `core.get_craft_recipe` and `core.get_all_craft_recipes` do not return the replacements and toolrepair, we have to override `core.register_craft` and do some reverse engineering. See engine's issues #4901 and #8920. ]] fuel_cache.replacements = {} local old_register_craft = core.register_craft core.register_craft = function(def) old_register_craft(def) if def.type == "toolrepair" then toolrepair = def.additional_wear * -100 end local output = def.output or (true_str(def.recipe) and def.recipe) or nil if not output then return end output = {match(output, "%S+")} local groups if is_group(output[1]) then groups = extract_groups(output[1]) output = groups_to_items(groups, true) end for i = 1, #output do local name = output[i] if def.type ~= "fuel" then def.items = {} end if def.type == "fuel" then fuel_cache[name] = def.burntime fuel_cache.replacements[name] = def.replacements elseif def.type == "cooking" then def.width = def.cooktime def.cooktime = nil def.items[1] = def.recipe elseif def.type == "shapeless" then def.width = 0 for j = 1, #def.recipe do def.items[#def.items + 1] = def.recipe[j] end else def.width = #def.recipe[1] local c = 0 for j = 1, #def.recipe do if def.recipe[j] then for h = 1, def.width do c = c + 1 local it = def.recipe[j][h] if it and it ~= "" then def.items[c] = it end end end end end if def.type ~= "fuel" then def.recipe = nil recipes_cache[name] = recipes_cache[name] or {} insert(recipes_cache[name], 1, def) end end end local old_clear_craft = core.clear_craft core.clear_craft = function(def) old_clear_craft(def) if true_str(def) then def = match(def, "%S*") recipes_cache[def] = nil fuel_cache[def] = nil elseif is_table(def) then return -- TODO end end local function handle_drops_table(name, drop) -- Code borrowed and modified from unified_inventory -- https://github.com/minetest-mods/unified_inventory/blob/master/api.lua local drop_sure, drop_maybe = {}, {} local drop_items = drop.items or {} local max_items_left = drop.max_items local max_start = true for i = 1, #drop_items do if max_items_left and max_items_left <= 0 then break end local di = drop_items[i] for j = 1, #di.items do local dstack = ItemStack(di.items[j]) local dname = dstack:get_name() if not dstack:is_empty() and dname ~= name then local dcount = dstack:get_count() if #di.items == 1 and (not di.rarity or di.rarity <= 1) and max_start then -- TODO: add `tools` if not drop_sure[dname] then drop_sure[dname] = {} end if not drop_sure[dname].output then drop_sure[dname].output = 0 end drop_sure[dname] = { output = drop_sure[dname].output + dcount, tools = di.tools, } if max_items_left then max_items_left = max_items_left - 1 if max_items_left <= 0 then break end end else if max_items_left then max_start = false end if not drop_maybe[dname] then drop_maybe[dname] = {} end if not drop_maybe[dname].output then drop_maybe[dname].output = 0 end drop_maybe[dname] = { output = drop_maybe[dname].output + dcount, rarity = di.rarity, tools = di.tools, } end end end end for item, data in pairs(drop_sure) do craftguide.register_craft{ type = "digging", items = {name}, output = fmt("%s %u", item, data.output), tools = data.tools, } end for item, data in pairs(drop_maybe) do craftguide.register_craft{ type = "digging_chance", items = {name}, output = fmt("%s %u", item, data.output), rarity = data.rarity, tools = data.tools, } end end local function register_drops(name, drop) if true_str(drop) then local dstack = ItemStack(drop) if not dstack:is_empty() and dstack:get_name() ~= name then craftguide.register_craft{ type = "digging", items = {name}, output = drop, } end elseif is_table(drop) then handle_drops_table(name, drop) end end local function handle_aliases(hash) for oldname, newname in pairs(reg_aliases) do cache_recipes(oldname) local recipes = recipes_cache[oldname] if recipes then if not recipes_cache[newname] then recipes_cache[newname] = {} end local similar for i = 1, #recipes_cache[oldname] do local rcp_old = recipes_cache[oldname][i] for j = 1, #recipes_cache[newname] do local rcp_new = recipes_cache[newname][j] rcp_new.type = nil rcp_new.method = nil if table_eq(rcp_old, rcp_new) then similar = true break end end if not similar then insert(recipes_cache[newname], rcp_old) end end end if newname ~= "" and recipes_cache[oldname] and not hash[newname] then init_items[#init_items + 1] = newname end end end local function show_item(def) return not (def.groups.not_in_craft_guide == 1 or def.groups.not_in_creative_inventory == 1) and def.description and def.description ~= "" end local function get_init_items() local init_items_bak = storage:get "init_items" if autocache == false and init_items_bak then init_items = dslz(init_items_bak) fuel_cache = dslz(storage:get "fuel_cache") usages_cache = dslz(storage:get "usages_cache") recipes_cache = dslz(storage:get "recipes_cache") else print "[craftguide] Caching data (this may take a while)" local _select, _preselect = {}, {} for name, def in pairs(reg_items) do if name ~= "" and show_item(def) then register_drops(name, def.drop) if not fuel_cache[name] then cache_fuel(name) end if not recipes_cache[name] then cache_recipes(name) end cache_usages(name) _preselect[name] = true end end for name in pairs(_preselect) do if recipes_cache[name] or usages_cache[name] then init_items[#init_items + 1] = name _select[name] = true end end handle_aliases(_select) sort(init_items) storage:set_string("init_items", slz(init_items)) storage:set_string("fuel_cache", slz(fuel_cache)) storage:set_string("usages_cache", slz(usages_cache)) storage:set_string("recipes_cache", slz(recipes_cache)) end if http and true_str(craftguide.export_url) then local post_data = { recipes = recipes_cache, usages = usages_cache, fuel = fuel_cache, } http.fetch_async{ url = craftguide.export_url, post_data = write_json(post_data), } end end local function init_data(name) pdata[name] = { filter = "", pagenum = 1, items = init_items, items_raw = init_items, favs = {}, fs_version = get_fs_version(name), } end local function reset_data(data) data.filter = "" data.pagenum = 1 data.rnum = 1 data.unum = 1 data.query_item = nil data.recipes = nil data.usages = nil data.show_usages = nil data.items = data.items_raw end on_mods_loaded(get_init_items) on_joinplayer(function(player) local name = player:get_player_name() init_data(name) if pdata[name].fs_version < FORMSPEC_MINIMAL_VERSION then outdated(name) end end) local function fields(player, _f) local name = player:get_player_name() local data = pdata[name] if _f.clear then reset_data(data) elseif _f.prev_recipe or _f.next_recipe then local num = data.rnum + (_f.prev_recipe and -1 or 1) data.rnum = data.recipes[num] and num or (_f.prev_recipe and #data.recipes or 1) elseif _f.prev_usage or _f.next_usage then local num = data.unum + (_f.prev_usage and -1 or 1) data.unum = data.usages[num] and num or (_f.prev_usage and #data.usages or 1) elseif _f.key_enter_field == "filter" or _f.search then if _f.filter == "" then reset_data(data) return true, show_fs(player, name) end local str = lower(_f.filter) if data.filter == str then return end data.filter = str data.pagenum = 1 search(data) elseif _f.prev_page or _f.next_page or _f.pagenum then if data.pagemax == 1 then return end data.pagenum = data.pagenum - (_f.prev_page and 1 or -1) if data.pagenum > data.pagemax then data.pagenum = 1 elseif data.pagenum == 0 then data.pagenum = data.pagemax end elseif _f.fav then local fav, i = is_fav(data) local total = #data.favs if total < MAX_FAVS and not fav then data.favs[total + 1] = data.query_item elseif fav then remove(data.favs, i) end else local item for field in pairs(_f) do if find(field, ":") then item = field break end end if not item then return elseif sub(item, -4) == "_inv" then item = sub(item, 1, -5) elseif sub(item, 1, 1) == "_" then item = sub(item, 2) end item = reg_aliases[item] or item if sfinv_only then if item ~= data.query_item then data.show_usages = nil else data.show_usages = not data.show_usages end elseif item == data.query_item then return end local recipes, usages = get_recipes(item, data, player) if not recipes and not usages then return end if data.show_usages and not usages then return end data.query_item = item data.recipes = recipes data.usages = usages data.rnum = 1 data.unum = 1 end return true, show_fs(player, name) end if sfinv_only then sfinv.register_page("craftguide:craftguide", { title = S"Craft Guide", is_in_nav = function(self, player, context) local name = player:get_player_name() return get_fs_version(name) >= FORMSPEC_MINIMAL_VERSION end, get = function(self, player, context) local name = player:get_player_name() local data = pdata[name] return sfinv.make_formspec(player, context, make_fs(data)) end, on_enter = function(self, player, context) if next(recipe_filters) then local name = player:get_player_name() local data = pdata[name] data.items_raw = get_filtered_items(player) search(data) end end, on_player_receive_fields = function(self, player, context, _f) fields(player, _f) end, }) else on_receive_fields(function(player, formname, _f) if formname == "craftguide" then fields(player, _f) end end) local function on_use(user) local name = user:get_player_name() local data = pdata[name] if data.fs_version < FORMSPEC_MINIMAL_VERSION then return outdated(name) end if next(recipe_filters) then data.items_raw = get_filtered_items(user) search(data) end show_formspec(name, "craftguide", make_fs(data)) end core.register_craftitem("craftguide:book", { description = S"Crafting Guide", inventory_image = PNG.book, wield_image = PNG.book, stack_max = 1, groups = {book = 1}, on_use = function(itemstack, user) on_use(user) end }) core.register_node("craftguide:sign", { description = S"Crafting Guide Sign", drawtype = "nodebox", tiles = {PNG.sign}, inventory_image = PNG.sign, wield_image = PNG.sign, paramtype = "light", paramtype2 = "wallmounted", sunlight_propagates = true, groups = { choppy = 1, attached_node = 1, oddly_breakable_by_hand = 1, flammable = 3, }, node_box = { type = "wallmounted", wall_top = {-0.5, 0.4375, -0.5, 0.5, 0.5, 0.5}, wall_bottom = {-0.5, -0.5, -0.5, 0.5, -0.4375, 0.5}, wall_side = {-0.5, -0.5, -0.5, -0.4375, 0.5, 0.5} }, on_construct = function(pos) local meta = core.get_meta(pos) meta:set_string("infotext", "Crafting Guide Sign") end, on_rightclick = function(pos, node, user, itemstack) on_use(user) end }) core.register_craft{ output = "craftguide:book", type = "shapeless", recipe = {"default:book"} } core.register_craft{ type = "fuel", recipe = "craftguide:book", burntime = 3 } core.register_craft{ output = "craftguide:sign", type = "shapeless", recipe = {"default:sign_wall_wood"} } core.register_craft{ type = "fuel", recipe = "craftguide:sign", burntime = 10 } if rawget(_G, "sfinv_buttons") then sfinv_buttons.register_button("craftguide", { title = S"Crafting Guide", tooltip = S"Shows a list of available crafting recipes", image = PNG.book, action = function(player) on_use(player) end, }) end end if progressive_mode then local POLL_FREQ = 0.25 local HUD_TIMER_MAX = 1.5 local function item_in_inv(item, inv_items) local inv_items_size = #inv_items if is_group(item) then local groups = extract_groups(item) for i = 1, inv_items_size do local def = reg_items[inv_items[i]] if def then local item_groups = def.groups if item_has_groups(item_groups, groups) then return true end end end else for i = 1, inv_items_size do if inv_items[i] == item then return true end end end end local function recipe_in_inv(recipe, inv_items) for _, item in pairs(recipe.items) do if not item_in_inv(item, inv_items) then return end end return true end local function progressive_filter(recipes, player) if not recipes then return {} end local name = player:get_player_name() local data = pdata[name] if #data.inv_items == 0 then return {} end local filtered, c = {}, 0 for i = 1, #recipes do local recipe = recipes[i] if recipe_in_inv(recipe, data.inv_items) then c = c + 1 filtered[c] = recipe end end return filtered end local item_lists = {"main", "craft", "craftpreview"} local function get_inv_items(player) local inv = player:get_inventory() local stacks = {} for i = 1, #item_lists do local list = inv:get_list(item_lists[i]) table_merge(stacks, list) end local inv_items, c = {}, 0 for i = 1, #stacks do local stack = stacks[i] if not stack:is_empty() then local name = stack:get_name() if reg_items[name] then c = c + 1 inv_items[c] = name end end end return inv_items end local function init_hud(player, data) data.hud = { bg = player:hud_add{ hud_elem_type = "image", position = {x = 0.78, y = 1}, alignment = {x = 1, y = 1}, scale = {x = 370, y = 112}, text = PNG.bg, }, book = player:hud_add{ hud_elem_type = "image", position = {x = 0.79, y = 1.02}, alignment = {x = 1, y = 1}, scale = {x = 4, y = 4}, text = PNG.book, }, text = player:hud_add{ hud_elem_type = "text", position = {x = 0.84, y = 1.04}, alignment = {x = 1, y = 1}, number = 0xffffff, text = "", }, } end local function show_hud_success(player, data) -- It'd better to have an engine function `hud_move` to only need -- 2 calls for the notification's back and forth. local hud_info_bg = player:hud_get(data.hud.bg) local dt = 0.016 if hud_info_bg.position.y <= 0.9 then data.show_hud = false data.hud_timer = (data.hud_timer or 0) + dt end if data.show_hud then for _, def in pairs(data.hud) do local hud_info = player:hud_get(def) player:hud_change(def, "position", { x = hud_info.position.x, y = hud_info.position.y - (dt / 5) }) end player:hud_change(data.hud.text, "text", S("@1 new recipe(s) discovered!", data.discovered)) elseif data.show_hud == false then if data.hud_timer >= HUD_TIMER_MAX then for _, def in pairs(data.hud) do local hud_info = player:hud_get(def) player:hud_change(def, "position", { x = hud_info.position.x, y = hud_info.position.y + (dt / 5) }) end if hud_info_bg.position.y >= 1 then data.show_hud = nil data.hud_timer = nil end end end end -- Workaround. Need an engine call to detect when the contents of -- the player inventory changed, instead. local function poll_new_items() local players = get_players() for i = 1, #players do local player = players[i] local name = player:get_player_name() local data = pdata[name] local inv_items = get_inv_items(player) local diff = array_diff(inv_items, data.inv_items) if #diff > 0 then data.inv_items = table_merge(diff, data.inv_items) local oldknown = data.known_recipes or 0 local items = get_filtered_items(player, data) data.discovered = data.known_recipes - oldknown if data.show_hud == nil and data.discovered > 0 then data.show_hud = true end if sfinv_only then data.items_raw = items search(data) sfinv.set_player_inventory_formspec(player) end end end after(POLL_FREQ, poll_new_items) end poll_new_items() globalstep(function() local players = get_players() for i = 1, #players do local player = players[i] local name = player:get_player_name() local data = pdata[name] if data.show_hud ~= nil and singleplayer then show_hud_success(player, data) end end end) craftguide.add_recipe_filter("Default progressive filter", progressive_filter) on_joinplayer(function(player) local name = player:get_player_name() local data = pdata[name] local meta = player:get_meta() data.inv_items = dslz(meta:get_string "inv_items") or {} data.known_recipes = dslz(meta:get_string "known_recipes") or 0 if singleplayer then init_hud(player, data) end end) local to_save = {"inv_items", "known_recipes"} local function save_meta(player) local meta = player:get_meta() local name = player:get_player_name() local data = pdata[name] for i = 1, #to_save do local meta_name = to_save[i] meta:set_string(meta_name, slz(data[meta_name])) end end on_leaveplayer(save_meta) on_shutdown(function() local players = get_players() for i = 1, #players do local player = players[i] save_meta(player) end end) end on_leaveplayer(function(player) local name = player:get_player_name() pdata[name] = nil end) function craftguide.show(name, item, show_usages) if not true_str(name)then return err "craftguide.show(): player name missing" end local data = pdata[name] local player = get_player_by_name(name) local query_item = data.query_item reset_data(data) item = reg_items[item] and item or query_item local recipes, usages = get_recipes(item, data, player) if not recipes and not usages then if not recipes_cache[item] and not usages_cache[item] then return false, msg(name, fmt("%s: %s", S"No recipe or usage for this item", get_desc(item))) end return false, msg(name, fmt("%s: %s", S"You don't know a recipe or usage for this item", get_desc(item))) end data.query_item = item data.recipes = recipes data.usages = usages if sfinv_only then data.show_usages = show_usages end show_fs(player, name) end register_command("craft", { description = S"Show recipe(s) of the pointed node", func = function(name) local player = get_player_by_name(name) local dir = player:get_look_dir() local ppos = player:get_pos() ppos.y = ppos.y + 1.625 local node_name for i = 1, 10 do local look_at = vec_add(ppos, vec_mul(dir, i)) local node = core.get_node(look_at) if node.name ~= "air" then node_name = node.name break end end if not node_name then return false, msg(name, S"No node pointed") end return true, craftguide.show(name, node_name) end, })